1、一般情况下es2、以e结尾加es3、以fe结尾去fe变ves其它名词复数的规则变化1)以y结尾的专有名词,或元音字母+y结尾的名词变复数时,直接加s变复数:如:twoMarystheHenrysmonkey---monkeysholiday---holidays比较:层楼:storey---storeysstory---stories2)以o结尾的名词,变复数时:a.加s,如:photo---photospiano---pianosradio---radioszoo---zoos;b.加es,如:potato--potatoestomato--tomatoesc.均可,如:zero---zeros/zeroes3)以f或fe结尾的名词变复数时:a.加s,如:belief---beliefsroof---roofssafe---safesgulf---gulfs;b.去f,fe加ves,如:half---halvesknife---knivesleaf---leaveswolf---wolveswife---wiveslife---livesthief---thieves;c.均可,如:handkerchief:handkerchiefs/handkerchieves